<template>
  <div class="app-container">
    <div class="block">
      <el-row>
        <el-col :span="14" :offset="4">
          <header class="form_header">选择食品种类</header>
          <el-form :model="categoryForm" ref="categoryForm" label-width="110px" class="form">
            <el-row class="category_select">
              <el-form-item label="食品种类">
                <el-select
                  v-model="categoryForm.categorySelect"
                  :placeholder="selectValue.label"
                  style="width: 100%"
                >
                  <el-option
                    v-for="item in categoryForm.categoryList"
                    :key="item.value"
                    :label="item.label"
                    :value="item.value"
                  >
                  </el-option>
                </el-select>
              </el-form-item>
            </el-row>
            <el-row class="add_category_row" :class="showAddCategory ? 'showEdit' : ''">
              <div class="add_category">
                <el-form-item label="食品种类">
                  <el-input v-model="categoryForm.name"></el-input>
                </el-form-item>
                <el-form-item label="种类描述" prop="description">
                  <el-input v-model="categoryForm.description"></el-input>
                </el-form-item>
                <el-form-item>
                  <el-button type="primary" @click="submitcategoryForm('categoryForm')"
                    >提交</el-button
                  >
                </el-form-item>
              </div>
            </el-row>
            <div class="add_category_button" @click="addCategoryFun">
              <i class="el-icon-caret-top edit_icon" v-if="showAddCategory"></i>
              <i class="el-icon-caret-bottom edit_icon" v-else slot="icon"></i>
              <span>添加食品种类</span>
            </div>
          </el-form>
          <header class="form_header">添加食品</header>
          <el-form
            :model="foodForm"
            :rules="foodrules"
            ref="foodForm"
            label-width="110px"
            class="form food_form"
          >
            <el-form-item label="食品名称" prop="name">
              <el-input v-model="foodForm.name"></el-input>
            </el-form-item>
            <el-form-item label="食品活动" prop="activity">
              <el-input v-model="foodForm.activity"></el-input>
            </el-form-item>
            <el-form-item label="食品详情" prop="description">
              <el-input v-model="foodForm.description"></el-input>
            </el-form-item>
            <el-form-item label="上传食品图片">
              <el-upload
                class="avatar-uploader"
                :action="fileMgrUrl"
                :headers="uploadHeaders"
                :show-file-list="false"
                :on-success="uploadImg"
                :before-upload="beforeImgUpload"
              >
                <img v-if="foodForm.image_path" :src="foodForm.imagePath" class="avatar" />
                <i v-else class="el-icon-plus avatar-uploader-icon"></i>
              </el-upload>
            </el-form-item>
            <el-form-item label="食品特点" prop="attributes">
              <el-select v-model="foodForm.attributes" multiple placeholder="请选择">
                <el-option
                  v-for="item in attributes"
                  :key="item.value"
                  :label="item.label"
                  :value="item.value"
                >
                </el-option>
              </el-select>
            </el-form-item>
            <el-form-item label="食品规格">
              <el-radio class="radio" v-model="foodSpecs" label="one">单规格</el-radio>
              <el-radio class="radio" v-model="foodSpecs" label="more">多规格</el-radio>
            </el-form-item>
            <el-row v-if="foodSpecs == 'one'">
              <el-form-item label="包装费">
                <el-input-number
                  v-model="foodForm.specs[0].packing_fee"
                  :min="0"
                  :max="100"
                ></el-input-number>
              </el-form-item>
              <el-form-item label="价格">
                <el-input-number
                  v-model="foodForm.specs[0].price"
                  :min="0"
                  :max="10000"
                ></el-input-number>
              </el-form-item>
            </el-row>
            <el-row v-else style="overflow: auto; text-align: center">
              <el-button
                type="primary"
                @click="dialogFormVisible = true"
                style="margin-bottom: 10px"
                >添加规格</el-button
              >
              <el-table
                :data="foodForm.specs"
                style="margin-bottom: 20px"
                :row-class-name="tableRowClassName"
              >
                <el-table-column prop="specs" label="规格"> </el-table-column>
                <el-table-column prop="packing_fee" label="包装费"> </el-table-column>
                <el-table-column prop="price" label="价格"> </el-table-column>
                <el-table-column label="操作">
                  <template slot-scope="scope">
                    <el-button size="small" type="danger" @click="handleDelete(scope.$index)"
                      >删除
                    </el-button>
                  </template>
                </el-table-column>
              </el-table>
            </el-row>
            <el-form-item>
              <el-button type="primary" @click="addFood('foodForm')">确认添加食品</el-button>
            </el-form-item>
          </el-form>
          <el-dialog title="添加规格" :visible.sync="dialogFormVisible">
            <el-form :rules="specsFormrules" :model="specsForm">
              <el-form-item label="规格" label-width="100px" prop="specs">
                <el-input v-model="specsForm.specs" auto-complete="off"></el-input>
              </el-form-item>
              <el-form-item label="包装费" label-width="100px">
                <el-input-number
                  v-model="specsForm.packing_fee"
                  :min="0"
                  :max="100"
                ></el-input-number>
              </el-form-item>
              <el-form-item label="价格" label-width="100px">
                <el-input-number v-model="specsForm.price" :min="0" :max="10000"></el-input-number>
              </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
              <el-button @click="dialogFormVisible = false">取 消</el-button>
              <el-button type="primary" @click="addspecs">确 定</el-button>
            </div>
          </el-dialog>
        </el-col>
      </el-row>
    </div>
  </div>
</template>

<script>
import { getApiUrl } from '@/utils/utils';
import { getToken } from '@/utils/auth';
import { addFood } from '@/api/business/food';
import { getCategory, addCategory } from '@/api/business/shop';

export default {
  data() {
    return {
      restaurant_id: 1,
      categoryForm: {
        categoryList: [],
        categorySelect: '',
        name: '',
        description: '',
      },
      fileMgrUrl: getApiUrl() + '/file',
      uploadHeaders: {
        Authorization: '',
      },
      foodForm: {
        name: '',
        description: '',
        image_path: '',
        activity: '',
        attributes: [],
        specs: [
          {
            specs: '默认',
            packing_fee: 0,
            price: 20,
          },
        ],
      },
      categoryRules: {
        name: [{ required: true, message: '请选择食品种类', trigger: 'blur' }],
      },
      foodrules: {
        name: [{ required: true, message: '请输入食品名称', trigger: 'blur' }],
        attributes: [{ required: true, message: '请选择食品特点', trigger: 'blur' }],
        categoryName: [{ required: true, message: '请选择食品种类', trigger: 'blur' }],
      },
      attributes: [
        {
          value: '新',
          label: '新品',
        },
        {
          value: '招牌',
          label: '招牌',
        },
      ],
      showAddCategory: false,
      foodSpecs: 'one',
      dialogFormVisible: false,
      specsForm: {
        specs: '',
        packing_fee: 0,
        price: 20,
      },
      specsFormrules: {
        specs: [{ required: true, message: '请输入规格', trigger: 'blur' }],
      },
    };
  },
  created() {
    this.uploadHeaders['Authorization'] = getToken();
    if (this.$route.query.restaurant_id) {
      this.restaurant_id = this.$route.query.restaurant_id;
    } else {
      this.restaurant_id = Math.ceil(Math.random() * 10);
      this.$msgbox({
        title: '提示',
        message: '添加食品需要选择一个商铺，先去就去选择商铺吗？',
        showCancelButton: true,
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        beforeClose: (action, instance, done) => {
          if (action === 'confirm') {
            this.$router.push('/business/shop');
            done();
          } else {
            this.$message({
              type: 'info',
              message: '取消',
            });
            done();
          }
        },
      });
    }
    this.initData();
  },
  computed: {
    selectValue: function () {
      return this.categoryForm.categoryList[this.categoryForm.categorySelect] || {};
    },
  },
  methods: {
    async initData() {
      try {
        const result = await getCategory(this.restaurant_id);
        if (result.code === 20000) {
          result.category_list.map((item, index) => {
            item.value = index;
            item.label = item.name;
          });
          this.categoryForm.categoryList = result.category_list;
        } else {
          console.log(result);
        }
      } catch (err) {
        console.log(err);
      }
    },
    addCategoryFun() {
      this.showAddCategory = !this.showAddCategory;
    },
    submitcategoryForm(formName) {
      console.log(this.categoryForm);
      this.$refs[formName].validate(async (valid) => {
        if (valid) {
          console.log(2, this.categoryForm);
          const params = {
            name: this.categoryForm.name,
            description: this.categoryForm.description,
            restaurant_id: this.restaurant_id,
          };
          try {
            const result = await addCategory(params);
            if (result.code === 20000) {
              this.initData();
              this.categoryForm.name = '';
              this.categoryForm.description = '';
              this.showAddCategory = false;
              this.$message({
                type: 'success',
                message: '添加成功',
              });
            }
          } catch (err) {
            console.log(err);
          }
        } else {
          this.$notify.error({
            title: '错误',
            message: '请检查输入是否正确',
            offset: 100,
          });
          return false;
        }
      });
    },
    uploadImg(res) {
      this.foodForm.imagePath =
        getApiUrl() + '/file/getImgStream?fileName=' + res.data.realFileName;
      this.foodForm.image_path = res.data.realFileName;
    },
    beforeImgUpload(file) {
      const isRightType = file.type === 'image/jpeg' || file.type === 'image/png';
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isRightType) {
        this.$message.error('上传头像图片只能是 JPG 格式!');
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!');
      }
      return isRightType && isLt2M;
    },
    addspecs() {
      this.foodForm.specs.push({ ...this.specsForm });
      this.specsForm.specs = '';
      this.specsForm.packing_fee = 0;
      this.specsForm.price = 20;
      this.dialogFormVisible = false;
    },
    handleDelete(index) {
      this.foodForm.specs.splice(index, 1);
    },
    tableRowClassName(_row, index) {
      if (index === 1) {
        return 'info-row';
      } else if (index === 3) {
        return 'positive-row';
      }
      return '';
    },
    addFood(foodForm) {
      console.log(this.selectValue.id);
      this.$refs[foodForm].validate(async (valid) => {
        if (valid) {
          const params = {
            ...this.foodForm,
            category_id: this.selectValue.id,
            restaurant_id: this.restaurant_id,
          };
          console.log(`output->params`, params);
          try {
            const me = this;
            const result = await addFood({
              name: me.foodForm.name,
              descript: me.foodForm.description,
              idShop: me.restaurant_id,
              category_id: me.selectValue.id,
              image_path: me.foodForm.image_path,
              activity: me.foodForm.activity,
              attributesJson: JSON.stringify(me.foodForm.attributes),
              specsJson: JSON.stringify(me.foodForm.specs),
            });
            if (result.code === 20000) {
              console.log(result);
              this.$message({
                type: 'success',
                message: '添加成功',
              });
              this.foodForm = {
                name: '',
                description: '',
                image_path: '',
                activity: '',
                attributes: [],
                specs: [
                  {
                    specs: '默认',
                    packing_fee: 0,
                    price: 20,
                  },
                ],
              };
            } else {
              this.$message({
                type: 'error',
                message: result.message,
              });
            }
          } catch (err) {
            console.log(err);
          }
        } else {
          this.$notify.error({
            title: '错误',
            message: '请检查输入是否正确',
            offset: 100,
          });
          return false;
        }
      });
    },
  },
};
</script>

<style lang="scss">
.form {
  min-width: 400px;
  margin-bottom: 30px;

  &:hover {
    box-shadow: 0 0 8px 0 rgba(232, 237, 250, 0.6), 0 2px 4px 0 rgba(232, 237, 250, 0.5);
    border-radius: 6px;
    transition: all 400ms;
  }
}

.food_form {
  border: 1px solid #eaeefb;
  padding: 10px 10px 0;
}

.form_header {
  text-align: center;
  margin-bottom: 10px;
}

.category_select {
  border: 1px solid #eaeefb;
  padding: 10px 30px 10px 10px;
  border-top-right-radius: 6px;
  border-top-left-radius: 6px;
}

.add_category_row {
  height: 0;
  overflow: hidden;
  transition: all 400ms;
  background: #f9fafc;
}

.showEdit {
  height: 185px;
}

.add_category {
  background: #f9fafc;
  padding: 10px 30px 0px 10px;
  border: 1px solid #eaeefb;
  border-top: none;
}

.add_category_button {
  text-align: center;
  line-height: 40px;
  border-bottom-right-radius: 6px;
  border-bottom-left-radius: 6px;
  border: 1px solid #eaeefb;
  border-top: none;
  transition: all 400ms;
}

.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #20a0ff;
}

.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 120px;
  height: 120px;
  line-height: 120px;
  text-align: center;
}

.avatar {
  width: 120px;
  height: 120px;
  display: block;
}

.cell {
  text-align: center;
}
</style>
